1. Playing (the) piano is as difficult as playing (the) guitar.
2. Can a horse run as fast as a train?
3. You should try as hard as you can.
4. Tom's writing style is totally different from mine.
5. His car runs the same speed as mine.
6. My best friend and I went to the same school.
7. This modern fridge isn't as good as my old one.
8. Spending time on (the) computer isn't as entertaining as spending time with friends.
(Có mấy câu hình như bạn viết nhầm đề bài ấy)
$\text{@Star}$